package com.business.conexao;

import java.io.IOException;
import javax.servlet.*;
import org.hibernate.SessionFactory;

public class HibernateFilter implements Filter {
	private SessionFactory sf;

	@Override
	public void init(FilterConfig Config) throws ServletException {
		this.sf = HibernateUtil.getSeesionFactory();
	}

	@Override
	public void doFilter(ServletRequest servletRequest,
			ServletResponse servetResponde, FilterChain chain)
			throws IOException, ServletException {
		try {
			this.sf.getCurrentSession().beginTransaction();
			chain.doFilter(servletRequest, servetResponde);
			this.sf.getCurrentSession().getTransaction().commit();
			this.sf.getCurrentSession().close();
		} catch (Throwable ex) {
			try {
				if (this.sf.getCurrentSession().getTransaction().isActive()) {
					this.sf.getCurrentSession().getTransaction().rollback();
				}
			} catch (Throwable t) {
				t.printStackTrace();
			}
			throw new ServletException(ex);
		}
	}

	@Override
	public void destroy() {

	}
}
